diff --git a/hardware/.gitignore b/hardware/.gitignore
index f75f5a5..b8bac72 100644
--- a/hardware/.gitignore
+++ b/hardware/.gitignore
@@ -7,6 +7,7 @@ TODO
 \#*.sch\#
 attribs
 *_notes.txt
+*_bom.csv
 *.net
 *.cmd
 *.new.pcb